home

installation.exe

Start Now

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application installation.exe by Start Now has been detected as adware by 21 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from get.default-page.com.
Publisher:
Start Now  (signed and verified)

MD5:
bd9ff20e262c833eb33577283683ad36

SHA-1:
b3da507e39eb69e1cfbb1cea189d25a4c8c6a8d3

SHA-256:
fe34eef85cfa1e889a64c2d59d161822d4c70d9cc2041de683150a955afb492d

Scanner detections:
21 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/18/2024 11:58:27 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.Outbrowse.1
6561816

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
PUA/Outbrowse.Gen
7.11.212.228

avast!
OutBrowse-AX [PUP]
150101-1

AVG
Potentially harmful program Downloader.CLD
2014.0.4257

Bitdefender
Gen:Variant.Application.Bundler.Outbrowse.1
1.0.20.290

Comodo Security
Application.Win32.AltBrowse.HY
21233

Dr.Web
Trojan.OutBrowse.6
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.Outbrowse
9.0.0.4799

ESET NOD32
Win32/OutBrowse.BK potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
2/27/2015

F-Secure
Gen:Variant.Application.Bundler
11.2015-27-02_6

G Data
Gen:Variant.Application.Bundler.Outbrowse
15.2.25

K7 AntiVirus
Unwanted-Program
13.1915113

Malwarebytes
PUP.Optional.OutBrowse
v2015.02.27.09

McAfee
Program.Adware-OutBrowse.c
16.8.708.2

MicroWorld eScan
Gen:Variant.Application.Bundler.Outbrowse.1
16.0.0.174

NANO AntiVirus
Trojan.Win32.OutBrowse.djogzg
0.30.0.296

Reason Heuristics
PUP.Outbrowse
15.2.27.20

Trend Micro House Call
Suspici.92093976
7.2.58

VIPRE Antivirus
Threat.4150696
37788

File size:
566.4 KB (579,984 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\installation.exe

Digital Signature
Signed by:
Start Now

Authority:
Starfield Technologies, Inc.

Valid from:
10/29/2014 11:30:53 AM

Valid to:
10/29/2015 11:30:53 AM

Subject:
CN=Start Now, O=Start Now, L=DUBLIN, C=IE

Issuer:
CN=Starfield Secure Certificate Authority - G2, OU=http://certs.starfieldtech.com/repository/, O="Starfield Technologies, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
043DD86B3DF8A0

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:nnSYXMwqWGnNVJurilVGKLHwDjO5OjnB8cpI3bmy:nSiMwqRnNVpqCHV0npQL

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9682

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file installation.exe has been seen being distributed by the following URL.

http://get.default-page.com/.../Get?p=13013&d=24699&l=24043&n=0&d1=1&s=mbs-f40&clickid=acc1b284-cf15-4003-91e8-d358a3eaf19b

Remove installation.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.